21151248

素因数分解:

$2^4\times 3^1\times {\mathrm{440651}}^1$

素因数の和:440662

約数の個数: 20

約数和(自身を含む): 54640848

約数和(自身を除く): 33489600

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 440651, 881302, 1321953, 1762604, 2643906, 3525208, 5287812, 7050416, 10575624, 21151248]

約数ペア:

[(1, 21151248), (2, 10575624), (3, 7050416), (4, 5287812), (6, 3525208), (8, 2643906), (12, 1762604), (16, 1321953), (24, 881302), (48, 440651)]